There are total 5 hours or 300 minutes from 4pm to 9pm. In words, this duration is equal to five hours or three hundred minutes.
How many hours from
| 5AM to 12AM | 9PM to 12AM | 11AM to 7AM |
| 10AM to 3PM | 6AM to 11PM | 8AM to 3AM |
| 7AM to 3AM | 7PM to 5PM | 11AM to 9AM |
| 9PM to 3AM | 2AM to 11AM | 7AM to 6AM |
| 9PM to 9AM | 10AM to 9AM | 11AM to 5AM |
| 8PM to 5PM | 5AM to 9PM | 6AM to 12PM |
